300BlkTalk

Thanks for the responses guys. Unfortunately I waited too long to pick up one of the 9" AAC uppers and I don't believe they are manufacturing them anymore. The last time I saw a decent price on one was last year. The BCM upper is my next best choice. With 300 AAC, I personally feel more comfort...

In a perfect world the suppressor would slide behind the KMR, but I guess it won't. I waited too long to get the actual AAC upper. No guessing about it, it won't. The KMR is only 1.3" ID while the SDN-6 is 1.5" OD. I have the 7" KMR on my BCM upper and I'm debating changing it when m...

I have a BCM 9 inch with a KMR 8 inch and the tri - forked ACC 51 tooth mount for a SDN-6 . It fits . Not much left to play with , but it fits . If you do have a fitting problem , it won't be by much , so a wee bit of grinder time and paint should cure it . Or you could add a washer behind the moun...

Does AAC make a "non-deep" mount for the SDN-6? I'm trying to figure out if the SDN-6 will mount on a BCM 9" 300 upper with 8" KMR. I can't get a for sure answer. I've seen at least one person who could get it on with the 8" KMR, but others saying it won't fit. I have the st...

Can anyone confirm that the SDN-6 will not fit with the 8" KMR handguard on BCM's 9" 300 upper? I want to purchase one of these uppers badly, but I'm afraid my can will not fit. Are there other 51t brakes that will allow it to fit? I've read that it will, and that it will not fit. Hard to ...